WOODEN MEMBER JOINT STRUCTURE

To provide a wooden member joint structure that can improve the strength.SOLUTION: A wooden member joint structure 100 is a wooden member joint structure that a wooden first member 1 has a wooden second member 2 joined to its both sides in a first direction, comprising: a first protrusion part 133 that protrudes from a first surface, which faces to one way of a second direction on the first member 1, towards one way of the second direction; a first recess part 213 that recesses from a second surface, which faces to the other way of the second direction on the second member 2, towards one way of the second direction, and engages with the first protrusion part 133; a second recess part 112 that recesses from a third surface, which faces to one way of the second direction on the first member 1, towards the other way of the second direction; a second protrusion part 233 that protrudes from a fourth surface, which faces to the other way of the second direction on the second member 2, towards the other way in the second direction, and engages with the second recess part 112; an interstice formed between the first member 1 and the second member 2; and a first plug member 4 that is engaged in the interstice to restrict the first member 1 and the second member 2 from moving away relatively from each other in the second direction.SELECTED DRAWING: Figure 2 【課題】強度を向上させることができる木製部材の接合構造を提供する。【解決手段】木製部材の接合構造１００は、木製の第１部材１に対して、木製の第２部材２が第１方向の両側に接合された木製部材の接合構造であって、第１部材１のおける第２方向の一方側を向く第１面から第２方向の一方側に突出する第１凸部１３３と、第２部材２における第２方向の他方側を向く第２面から第２方向の一方側に凹み、第１凸部１３３と嵌合する第１凹部２１３と、第１部材１における第２方向の一方側を向く第３面から第２方向の他方側に凹む第２凹部１１２と、第２部材２における第２方向の他方側を向く第４面から第２方向の他方側に突出し、第２凹部１１２と嵌合する第２凸部２３３と、第１部材１と第２部材２との間に形成される隙間と、隙間に嵌合されて、第１部材１と第２部材２とを、相対的に、前記第２方向に離間する方向への移動を拘束する第１栓部材４と、を備える。【選択図】図２